Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2008-01-01 → 2008-01-31 |
| TT | Health-based | Resolved | 1999-10-01 → 1999-10-31 |
| TT | Health-based | Resolved | 1999-10-01 → 1999-10-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 15.461 µg/L No EPA limit set
worst single sample: 16.27 µg/L | 43/43 | SYR4 | 2012–2019 |
| Chloroform | 70.167 µg/L No EPA limit set
worst single sample: 73.29 µg/L | 43/43 | SYR4 | 2012–2019 |
| TTHM | 84.095 µg/L 105% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 88.32 µg/L | 43/43 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39.9 µg/L 66% of the EPA limit 60 µg/L
worst single sample: 53.7 µg/L | 41/43 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.435 µg/L No EPA limit set
worst single sample: 25.1 µg/L | 40/43 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 20.88 µg/L No EPA limit set
worst single sample: 26.9 µg/L | 39/43 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5.832 µg/L No EPA limit set
worst single sample: 5.89 µg/L | 37/43 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 19/19 | LCR | 2024 |
| Dibromoacetic Acid | 2.2 µg/L No EPA limit set | 17/43 | SYR4 | 2012–2019 |
| Bromoform | 2.417 µg/L No EPA limit set
worst single sample: 2.55 µg/L | 8/43 | SYR4 | 2012–2019 |
| Arsenic | 4.91 µg/L 49% of the EPA limit 10 µg/L
worst single sample: 5 µg/L | 7/8 | SYR4 | 2012–2019 |
| Fluoride | 177.5 µg/L 4.4% of the EPA limit 4000 µg/L
worst single sample: 180 µg/L | 6/8 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 3.65 µg/L No EPA limit set
worst single sample: 3.7 µg/L | 2/43 | SYR4 | 2012–2019 |
| Bromate | 2.2 µg/L 22% of the EPA limit 10 µg/L | 1/88 | SYR4 | 2012–2019 |
| Copper | 51 µg/L 3.9% of the EPA limit 1300 µg/L | 1/8 | SYR4 | 2012–2019 |
59 contaminants tested, none detected
Utility contact
Frequently asked questions about Lake County Csa 21 - North Lakeport
Is Lake County Csa 21 - North Lakeport tap water safe to drink?
EPA monitoring detected 15 contaminants in Lake County Csa 21 - North Lakeport's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Lake County Csa 21 - North Lakeport's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Lake County Csa 21 - North Lakeport serve?
Lake County Csa 21 - North Lakeport reports serving 4,046 people in California, per its EPA record.
Has Lake County Csa 21 - North Lakeport had any water quality violations?
The EPA has 3 violations on file for Lake County Csa 21 - North Lakeport, of which 3 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.